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Patent No. 5377411

Hair Cutting Appliance

A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.

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Assignee: American Hospital Supply Corporation


Location: Evanston, IL
No. of patents: 371

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NumberTitleIssue Date
4869646Continuous peristaltic pump
Substantially continuous fluid delivery in a variable-speed peristaltic pump is achieved by operating the pump at maximum speed through most of the deadband regardless of the delivery rate. Safety means are disclosed to monitor the correct operation of th...
09/26/1989
4796640Apparatus with fast response thermistor
An apparatus for measuring the temperature of a fluid flowing within a body comprising an elongated tube sized to be received within a vein or an artery and having a peripheral wall, at least one lumen extending longitudinally within the tube and an openi...
01/10/1989
4796633Method and apparatus for in vitro calibration of oxygen saturation monitor
A calibration reference apparatus comprising an elongated peripheral tubular wall open at one end and an end wall closing the other end of the tubular wall. The tubular wall and the end wall are integrally molded. The end wall defines a curved cavity open...
01/10/1989
4785799Method and apparatus for automatic profiled infusion in cyclic TPN
Cyclic total parenteral nutrition is safely administered by tapering the infusion rate over a substantial period of time at the beginning and end of the infusion cycle. An infusion pump is disclosed which automatically calculates and performs a cycle prof...
11/22/1988
4759378Flexible tip cardiac pacing catheter
A flexible tip catheter for electrically stimulating the heart comprising an elongated body having an elongated passage therein and an elongated conductor partially in the passage. The elongated conductor has a distal end portion outside of the passage wh...
07/26/1988
4756706Centrally managed modular infusion pump system
A plurality of infusion pump modules are detachably connected to a portable central management unit. The modules can be programmed by the central management unit, and their operating information displayed by the central management unit, when they are conn...
07/12/1988
4741730Hydrocephalus shunt with in-line filter
A shunt system for implantation in the body comprises a body having an inlet and an outlet and a first fluid-flow passageway extending between the inlet and outlet. A pressure regulated valve is provided within the first fluid-flow passageway to provide f...
05/03/1988
4734269Venous reservoir bag with integral high-efficiency bubble removal system
A liquid-gas bubble separator comrising a container having an inlet for a fluid which includes liquid and gas bubbles, an outlet and upstream and downstream vents. A filter element is provided in the container between the inlet and the outlet. The filter ...
03/29/1988
4731260Hydrophobic filter material and method
A filter material comprising hydrophobic filter media treated with a wetting agent which consists essentially of a material selected from the group consisting of polysobate 20, polysorbate 40, polysorbate 60 and polysorbate 80. The wetting agent is applie...
03/15/1988
4712567Liquid meter assembly
A liquid meter assembly for collecting, metering and monitoring liquid is disclosed. The assembly comprises a container for collecting the liquid, an electrically powered strain gauge suspension device for supporting the container and for determining the ...
12/15/1987
4713059Dispenser for an elongated flexible member
A dispenser comprising a base and a reel rotatably mounted on the base. An elongated flexible member which is to be dispensed is wound on the reel, and a housing is provided for the reel and the flexible member. Interlocking members on the reel and the ho...
12/15/1987
4704122Bi-concave small incision intraocular lens
An intraocular lens for implantation within the eye comprising an optic having an optical axis, concave anterior and posterior faces and an interior gas-filled chamber. The chamber has concave forward and rear surfaces which extend transverse to the optic...
11/03/1987
4702247Ligating clip
A hemostatic clip device capable of being mounted to a surgical applicator and applied to a blood vessel so as to prevent blood flow. The clip device includes a pair of semi-rigid legs having free ends and opposed ends connected to a bridge. The legs are ...
10/27/1987
4700560Calibration cell for calibration of gaseous or non-gaseous fluid constituent sensors
A reference liquid-containing calibration cell for the calibration of a sensor for measuring a gaseous or non-gaseous constituent parameter of a fluid includes a chamber containing the reference liquid. The chamber is sealed to prevent loss of the referen...
10/20/1987
4699679Method of manufacturing medical electrode pads
A medical electrode intended for short term use has a disposable electrode pad provided with a socket and a reusable electrode conductor which is attached to a lead wire and which has a ridged body adapted to enter and be retained by the socket. The pad i...
10/13/1987
4688554Directing cannula for an optical diagnostic system
Apparatus for directing the tip of a scoping instrument having an elongated image transmitting optical system. The elongated optical system is slidably received within the tubular member of a directing cannula mechanism having a bending section at its dis...
08/25/1987
4685467X-ray transparent medical electrodes and lead wires and assemblies thereof
A medical electrode assembly which is otherwise free of metal in the area of attachment to a patient so as to be X-ray transparent in such area has a conductive plastic electrode conductor with a silver plated and chlorided coating of a thickness between ...
08/11/1987
4685880Cuvette belts and manufacture of same
A flexible plastic cuvette belt comprises a series of open-topped chambers defining said cuvettes interconnected by webs. The chambers are generally rectangular in cross-section with their side faces having an approximately flat profile across their width...
08/11/1987
4684014IOL loop retention package and method
An assembly comprising an intraocular lens and a lens case. The intraocular lens includes an optic and at least one fixation member attached to the optic, with the fixation member having a desired configuration. The lens case has an optic cavity for recei...
08/04/1987
4684508Blood heat exchanger
An improved structure for directing the flow of blood and blood foam onto a heat exchanger in a bubble blood oxygenator is disclosed. An extended skirt extends from the plate where venous blood and oxygen are mixed to the top of the heat exchanger of the ...
08/04/1987
4684363Rapidly inflatable balloon catheter and method
A catheter having first and second lumens and a balloon adjacent the distal end of the catheter, with the first and second lumens extending to the interior of the balloon. Air can be purged from the catheter by introducing a purging liquid in series throu...
08/04/1987
4681741Reagent dispenser for an analyzing system
A reagent dispensing assembly for use in an automated specimen analysis system. The assembly comprises a dispensing station and a plurality of reagent supply containers associated therewith. A system is provided for positioning a desired one of the reagen...
07/21/1987
4678470Bone-grafting material
A bone grafting material is derived from allogenic or xenogenic bone by a process that includes tanning with glutaraldehyde. The bone may be pulverized, used as a large block, or machined into a precise pre-determined shape, depending on the bone defect t...
07/07/1987
4677372Cuvette belt faulty seal detector
A system for testing plastic cuvette belts for leak holes in the cuvettes comprises an array of conductive probes which are inserted into respective ones of a group of adjacent cuvettes. Alternate probes are biased to opposite high potentials sufficient t...
06/30/1987
4676951Automatic specimen analyzing system
An automatic system for analyzing specimens which have been selectively treated. The specimens are arranged in a plurality of specimen trays with each tray containing a plurality of specimens. Tray towers support a plurality of specimen trays. A work stat...
06/30/1987
4674511Medical electrode
The signal conducting element of a medical electrode of the type bridged to skin by electrolyte and which may be X-ray transparent comprises a thin layer of a conductive paint adhered to a relatively thin supporting substrate, said substrate with adhered ...
06/23/1987
4671792Pressure-regulating peristaltic pump
Controlling maximum fluid pressure at the outlet end of a peristaltic pump of the general type disclosed in U.S. Pat. No. 4,482,347 is achieved by supporting the resilient tubing of the pump in the trough of a rigid but movable platen mounted upon a compr...
06/09/1987
4669468Capacitively coupled indifferent electrode
A capacitively coupled indifferent electrode for use in electrosurgical procedures is provided which is safe and reliable in use. The electrode includes a backing material, an electrically conductive metal foil adhered to one surface of the pad, a layer o...
06/02/1987
4670009Backform inserts for catheter
A catheter comprising an elongated catheter body having a proximal end and at least one lumen therein opening at the proximal end, at least one extension tube, and a coupling for coupling the extension tube to the catheter body. The coupling includes an i...
06/02/1987
4662400Fluid dispensing
For precision dispensing of fluids particularly for medical applications, a face valve has a valve member mounted for linear sliding movement across the face of a valve body, which has fluid passages therethrough, between positions in which respectively t...
05/05/1987
4659195Engine inspection system
An inspection system in which a fiber optic borescope has an elongated flexible body extending between a control head at a proximal end and an objective assembly at a distal end. The distal end is slidably inserted through a tubular elongated flexible gui...
04/21/1987
4655219Multicomponent flexible grasping device
A unique manipulative/grasping assembly adapted for use in conjunction with endoscopic instruments in disclosed herein. This assembly comprises an elongated tool having an elongated shaft with resilient, flexible fingers on the distal end thereof. These f...
04/07/1987
4655775Intraocular lens with ridges
An intraocular lens for implantation in the posterior chamber of the eye including an optic having a posterior surface and first and second ridges adjacent the periphery of the optic and projecting generally posteriorly from the posterior surface. The rid...
04/07/1987
4648881Implantable biological tissue and process for preparation thereof
A process for the preparation of implantable biological tissue, and in particular bioprosthetic heart valves, which are prone to calcification after implantation. The process includes treatment of tissue with solutions prior to implantation which have bee...
03/10/1987
4648868Apparatus for controlling flow and pressure measurement
An apparatus comprising a valve body having first, second and vent ports and a generally tubular valve element having a peripheral wall with first, second and vent openings in the peripheral wall leading to the interior of the tubular valve element. The v...
03/10/1987
4647283Implantable biological tissue and process for preparation thereof
A process for the preparation of implantable biological tissue, and in particular bioprosthetic heart valves, which are prone to calcification after implantation. The process includes treatment of tissue with solutions prior to implantation which have bee...
03/03/1987
4647149Attachment of optical fibers to a connector body
An apparatus connectible to an instrument comprising an optical fiber for conducting light along its length and a connector body for use in coupling the optical fiber to the instrument. The connector body defines an enclosure having an entrance passage le...
03/03/1987
4643389Tubing occlusion clip
A tubing occlusion clip comprising a first wall portion, first and second arms joined to spaced regions of the first wall portion and a closing wall portion joined to the first arm and extendible to the second arm such that the arms cooperate with the wal...
02/17/1987
4643879Tower for analyzing system
A tower assembly for supporting a plurality of specimen trays for use in an automated analyzing system. Each specimen tray comprises a container tray for holding a plurality of specimens and a cover member having pad portions. The tower assembly comprises...
02/17/1987
4641658Cardiac flow monitor
Previously undesired artifacts in a color signal used in fiberoptic cardiac catheters to measure blood oxygenation levels are used to produce indications of blood flow and true pulse. For this purpose, the color signal is band-pass filtered to derive a DC...
02/10/1987
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